70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Global
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readTimeControls
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Description
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Read the control parameters used by setDeltaT
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\*---------------------------------------------------------------------------*/
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const bool adjustTimeStep =
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runTime.controlDict().lookupOrDefault("adjustTimeStep", false);
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scalar maxCo =
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runTime.controlDict().lookupOrDefault<scalar>("maxCo", 1.0);
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scalar maxDeltaT =
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runTime.controlDict().lookupOrDefault<scalar>("maxDeltaT", GREAT);
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const dictionary pulseTimeStepDict = runTime.controlDict().subOrEmptyDict("pulseTimeStep");
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const bool pulseTimeStep = !pulseTimeStepDict.empty();
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const scalar pulseFrequency = // default 20 kHz
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pulseTimeStepDict.lookupOrDefault<scalar>("pulseFrequency", 20e3);
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const scalar pulseDuration = // default 12 ns
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pulseTimeStepDict.lookupOrDefault<scalar>("pulseDuration", 12e-9);
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const label nStepPulse = // default 1
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ceil(pulseTimeStepDict.lookupOrDefault<scalar>("nStepPulse", 1));
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const label nStepIdle = // default 1
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ceil(pulseTimeStepDict.lookupOrDefault<scalar>("nStepIdle", 1));
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const scalar pulsePeriod = 1 / pulseFrequency;
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const scalar pulseTime = 2*pulseDuration;
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const scalar idleTime = pulsePeriod - pulseTime;
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const scalar deltaTpulse = pulseTime / nStepPulse;
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const scalar deltaTidle = idleTime / nStepIdle;
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{
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}
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// ************************************************************************* //
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